Home / 156,955.34-216,607.23-85,333.84

Finding the Fourth Proportional to 156,955.34, 216,607.23 and 85,333.84

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Solution

The fourth proportional to 156,955.34, 216,607.23 and 85,333.84 is: 117,765.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,955.34 : 216,607.23 = 85,333.84 : x
  2. Step 2: Convert to fraction form
    156,955.34/216,607.23 = 85,333.84/x
  3. Step 3: Cross multiply
    156,955.34x = 216,607.23 × 85,333.84
  4. Step 4: Simplify right side
    156,955.34x = 18,483,926,166.15
  5. Step 5: Solve for x
    x = 18,483,926,166.15/156,955.34
  6. Step 6: Final answer
    x = 117,765.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.